Ozark is an unincorporated community in Johnson County, Illinois, United States. Ozark is south of New Burnside. and has a post office with ZIP code 62972.ZIP Code Lookup Ozark is also home to Camp Ondessonk, a Catholic youth camp that is run by the Diocese of Belleville.
Notable person Carl Choisser (1895-1939), Illinois state representative, lawyer, and newspaper editor, was born in Ozark.'Illinois Blue Book 1927-1928,' Biographical Sketch of Carl Choisser, pg. 310
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